Colon cancer is highly curable if diagnosed and treated early. Unfortunately many people put off seeing their doctors until the cancer is in advanced stage where a cure is more difficult to achieve.

What is colon cancer? The large bowel is known as the colon, except for the last four inches, which is called the rectum. The malignancy in all the portion of large intestine is colon cancer. Usually most colon cancer occurs on the left side in the sigmoid colon, the segment closest to the rectum.
What Causes colon cancer?

When it is diagnosed as confirmed CA in colon. The doctor will recommend biopsy of tissue taken from a tumor or lesion in the colon is needed to establish a diagnosis of the cancer.
usually colon cancer is treated by surgical removal of the tumor along with the portion of the colon above and below the cancer to make sure that all of it is removed. The lymphatic tissue that drains the area also will be removed for further study of the possible spread. The two ends of the colon are rejoined and will function normally after surgery. Radiation may be used before or after surgery. And the cancer chemotherapy maybe given after surgery., depending the stage of the cancer.
You will experience change in bowel habits ( diarrhea or constipation), rectal bleeding, lower abdominal pain or bloating, change of the size or shape of the stool. So you don't have to keep this symptoms, go to your nearest hospital for consultation.